What is hard disk drive (HDD – Hard Disk)?
11/06/2010
Name of the hard disk is derived from the English word Hard Disk.Pre simple name is most often used abbreviation HDD (Hard Disk Drive). HDD is used to store different data types. It can store photos, movies, music, just anything, he was installed programs, and is it installed and your operating system. HDD can store data even when disconnected from power and is located in each computer. Read the rest of this entry »
How to find MAC address of ethernet card?
11/06/2010
MAC address is a unique number for your network card. Each card has this number of others. This element is used to uniquely identify the device that is attached somewhere. For example, the administrator can view a list of MAC addresses from which someone connects to the router. Read the rest of this entry »
Protocols
11/01/2010
For good function of network is not enough to hardware standardization but we need also software standardization and rules. This rules in network are called protocols. Read the rest of this entry »
Ethernet
11/01/2010
Designers of computer networks have solved some basic problems and furthermore to ensure interoperability, networks of different manufacturers. Therefore, standards have been developed to describe the criteria for building networks. Standardization deals with American institution IEEE (Institute of Electrotechnical Engineering), because network standards are labeled IEEE. The letters are supplemented by group number, which created the standard. Read the rest of this entry »
Cabling
11/01/2010
Connecting between computers have rules. You must decide which kind of cable, connector you will use and you must respect norms. Today we can meet with same cable in almost every LAN and it is UTP cable. We know two ways how to make cambling, Structured and Coaxial. The most using way is Structured. Coaxial cabling is old method and is not using this time. For the highest transfer speed is the best optical cable, but is very expensive for small network. Read the rest of this entry »
Introduction to network
11/01/2010
Many people in the world have computers, someone have two or more computers in house and everybody want to be connected on the internet. Everybody who has internet connection at home is in worldwide network, calls internet. You can connect to any computer in the world, if you have permission. If you have more than one computer at your home you can connect to internet each PC, but you have to add new device. This device is router, router can be also wifi router, and you can connect your computers by cable or by wifi. Read the rest of this entry »
How to find my IP address in network?
10/22/2010
IP address is allocate to every single computer in network. It is necessarily, because data must flow to right user. Usually you don’t need to know your IP address, because you don’t work with that. IP address is allocating dynamically by DHCP server or manually by user or administrator. Read the rest of this entry »
How to find name of workgroup?
10/22/2010
The workgroup name serves for indentification several computers and connects them to one group. This way, we´ve got better overview in a case, that there are several computers with different purpose connected in network. Read the rest of this entry »
How to find computer name?
10/22/2010
Computer name serves for it´s identification in the network and in the work group. It isn´t allowed or appropriate for more computer to have the same name in the one group. Read the rest of this entry »
Network adapter
10/22/2010
NIC (Network Interface Card), or Network adapter is device which is usually instaled to every computer. It can be built-in in motherboard or in PCI slot.
Every NIC have specific number calls MAC address. This number is different for every NIC. Administrator or provider can allow or deny access to Internet by this address and he can see who was connect. NIC can by for cable or for wifi connection. Read the rest of this entry »